We want to provide our contribution and expand the argument for future investigation and research studies, in which Josep Cervera-Bret legacy can be included, like Pere Valls students, and in particular for his wide range of musical compositions, unique in the history of music, and framed in a period of time without compositions for doublebass soloist, conitributiong to fill a gap fo 50 years, a legacy alsmot unpublished (2013)